2018 Mercedes-Benz C 1.5L Petrol · PB07 RAM

The most recent DVSA examination on 22 December 2025 resulted in a Pass, which is reassuring at first glance, but the accumulation of three advisories warrants careful scrutiny. Two of these notes relate to mechanical wear that is actively progressing: a reduction in damping effect at the rear shock absorbers and slight play at the offside front inner track rod end ball joint. Both items were not flagged in the prior 2024 test, indicating that the suspension and steering geometry are beginning to show fatigue consistent with a high-mileage chassis. The third advisory, noting under trays fitted, is purely observational and has no mechanical implication. Looking at the wider trend, the 2024 test was entirely clean, but the 2025 result suggests deterioration is now underway, and the December 2023 history which included both fractured front coil springs and a dangerously worn rear tyre indicates that the vehicle has previously been run close to component failure thresholds. The overall pattern points to a car that is mechanically acceptable but transitioning into a phase of more frequent wear-related maintenance. The recorded mileage of 138,319 miles over an eight-year life equates to an average of around 17,290 miles annually, a figure considerably higher than typical private ownership patterns of roughly 8,000 to 12,000 miles per year. This sustained high utilisation suggests the vehicle has likely experienced consistent motorway or long-commute use, which accelerates wear on suspension components, brake discs and pads, clutch material (if applicable), tyres, and drivetrain bearings. There are no significant gaps in the MOT record over the period examined, which implies the car has been in continuous service rather than left standing for extended periods. While high mileage on a Mercedes-Benz chassis is not in itself disqualifying, the cumulative stress on rubber bushes, anti-roll bar links, and engine ancillaries should be considered when evaluating the asking price and likely forthcoming expenditure. Given the advisory concerning the rear shock absorbers showing reduced damping effect, a prospective buyer should prioritise a thorough road test, listening specifically for clonking, knocking, or a bouncy, unsettled ride over uneven surfaces, which would indicate the dampers have reached the end of their functional life. Likewise, the play noted at the offside front inner track rod end ball joint should prompt close attention to steering precision; any vagueness, knocking through the steering wheel on full lock, or uneven front tyre wear, particularly inner-edge feathering, would suggest the joint is deteriorating rapidly and warrants immediate replacement to preserve correct front axle geometry. A physical inspection underneath the vehicle should check the condition of the front coil springs for any cracking at the lower coils, particularly as both springs fractured on the nearside and offside in late 2023, indicating a potential batch wear characteristic or sustained heavy loading. The brake system should be examined for pad and disc condition, remembering that rear pads were noted as wearing thin in both 2023 advisories and may now require replacement along with the discs given the intervening mileage. Beyond the recorded defects, the high annual mileage and age of the vehicle demand attention to items that MOT testing does not fully cover. Tyre sidewalls should be inspected for cracking or perishing caused by age, even where tread depth remains legal, and the brake fluid, coolant, and automatic transmission fluid (if applicable) are likely overdue for replacement on a calendar basis regardless of the odometer reading, as these degrade with time. The 12V battery in a 2018 vehicle is approaching the end of its typical service life and should be load-tested, particularly if the car has been used predominantly for short journeys. Given the combination of high recorded mileage, recent steering and suspension advisories, and a prior history of component failures, this C-Class warrants a comprehensive independent pre-purchase inspection focused on the front suspension geometry, dampers, brake system, and underside structural condition before committing to purchase.